import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import vueJsx from '@vitejs/plugin-vue-jsx'
import { resolve } from 'path'
import { readdirSync } from 'fs'

// Get all component directories
const componentsDir = resolve(__dirname, 'src')
const componentDirs = readdirSync(componentsDir, { withFileTypes: true })
    .filter((dirent) => dirent.isDirectory())
    .map((dirent) => dirent.name)
    .filter((name) => name !== 'index.ts')

// Create entry points for each component
const entry: Record<string, string> = {
    index: resolve(__dirname, 'src/index.ts')
}

componentDirs.forEach((dir) => {
    entry[dir] = resolve(__dirname, `src/${dir}/index.ts`)
})

export default defineConfig({
    plugins: [vue(), vueJsx()],
    build: {
        target: 'esnext',
        lib: {
            entry,
            formats: ['es', 'cjs']
        },
        rolldownOptions: {
            external: ['vue'],
            output: [
                {
                    format: 'es',
                    dir: 'es',
                    entryFileNames: '[name].mjs',
                    preserveModules: true,
                    preserveModulesRoot: 'src',
                    exports: 'named',
                    assetFileNames: 'style.css'
                },
                {
                    format: 'cjs',
                    dir: 'lib',
                    entryFileNames: '[name].js',
                    preserveModules: true,
                    preserveModulesRoot: 'src',
                    exports: 'named',
                    assetFileNames: 'style.css'
                }
            ]
        },
        cssCodeSplit: false,
        emptyOutDir: true
    }
})